Select Question Set:
Q. No.Hugo deVries brought forth the idea of mutations while working on:
1. Evening primrose
2. Fruit fly
3. Coenorhabditis elegans
4. Maize
Subtopic: Hugo De Vries Theory of Evolution |
89%
Please attempt this question first.
Hints
Please attempt this question first.
Disturbance in genetic equilibrium, or Hardy-Weinberg equilibrium, is interpreted as resulting in:
1. adaptive radiation
2. evolution
3. saltation
4. speciation
1. adaptive radiation
2. evolution
3. saltation
4. speciation
Subtopic: Hardy Weinberg Law: 2 |
59%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Five factors are known to affect Hardy-Weinberg equilibrium. Which of the following is not one of them?
1. gene migration or gene flow
2. genetic drift
3. mutation
4. random mating
1. gene migration or gene flow
2. genetic drift
3. mutation
4. random mating
Subtopic: Hardy Weinberg Law: 2 |
84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
A process in which heritable variations enabling better survival are enabled to reproduce and leave greater
number of progeny is called as:
1. Evolution
2. Natural selection
3. Speciation
4. Gene flow
number of progeny is called as:
1. Evolution
2. Natural selection
3. Speciation
4. Gene flow
Subtopic: Natural Selection |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following periods in geological time scale is not included in the Palaeozoic era?
1. Silurian
2. Cretaceous
3. Devonian
4. Carboniferous
1. Silurian
2. Cretaceous
3. Devonian
4. Carboniferous
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
75%
Please attempt this question first.
Hints
In 1938, a fish caught in South Africa which was thought to be extinct, was a:
| 1. | Jawless fish | 2. | Armoured fish |
| 3. | Lobe finned fish | 4. | Ray finned fish |
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
74%
Please attempt this question first.
Hints
If we say that the embryos of reptiles, birds, and mammals look very similar during their early stages of development, this would suggest that these organisms:
1. have stopped evolving
2. have a common ancestor
3. live in the same types of environments
4. will get extinct if the environment changes
1. have stopped evolving
2. have a common ancestor
3. live in the same types of environments
4. will get extinct if the environment changes
Subtopic: Embryological Evidence of Evolution |
92%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Over time, all the following characters in the lineage of horse have shown an increasing trend except:
1. digit number
2. body size
3. tooth length
4. tooth size
1. digit number
2. body size
3. tooth length
4. tooth size
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
63%
Please attempt this question first.
Hints
Consider the given two statements:
| Assertion: | The presence of gill slits and a tail in the early stages of development of an embryo indicates that it can develop only as a fish. |
| Reason: | Embryos pass through the adult stages of other animals. |
| 1. | Both Assertion and Reason are true but the Reason does not correctly explain the Assertion. |
| 2. | Both Assertion and Reason are true and the Reason correctly explains the Assertion. |
| 3. | Assertion is false and Reason is also false. |
| 4. | Assertion is true but Reason is false. |
Subtopic: Embryological Evidence of Evolution |
64%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements:
| Assertion: | The hemoglobin gene is less similar between humans and gorilla than between humans and chimpanzees. |
| Reason: | Humans and chimpanzees have a more recent common ancestor than human and gorilla. |
| 1. | Both Assertion and Reason are true but the Reason does not correctly explain the Assertion. |
| 2. | Both Assertion and Reason are true and the Reason correctly explains the Assertion. |
| 3. | Assertion is false and Reason is also false. |
| 4. | Assertion is true but Reason is false. |
Subtopic: Evolution Prior to Ape Man: 2 |
72%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.